128868975

素因数分解:

$3^7\times 5^2\times {\mathrm{2357}}^1$

素因数の和:2388

約数の個数: 48

約数和(自身を含む): 239761440

約数和(自身を除く): 110892465

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 2187, 2357, 3645, 6075, 7071, 10935, 11785, 18225, 21213, 35355, 54675, 58925, 63639, 106065, 176775, 190917, 318195, 530325, 572751, 954585, 1590975, 1718253, 2863755, 4772925, 5154759, 8591265, 14318775, 25773795, 42956325, 128868975]

約数ペア:

[(1, 128868975), (3, 42956325), (5, 25773795), (9, 14318775), (15, 8591265), (25, 5154759), (27, 4772925), (45, 2863755), (75, 1718253), (81, 1590975), (135, 954585), (225, 572751), (243, 530325), (405, 318195), (675, 190917), (729, 176775), (1215, 106065), (2025, 63639), (2187, 58925), (2357, 54675), (3645, 35355), (6075, 21213), (7071, 18225), (10935, 11785)]